Fix bandwith vs. bandwiDth typo.

[frescor/ffmpeg.git] / libavcodec / qcelpdata.h

diff --git a/libavcodec/qcelpdata.h b/libavcodec/qcelpdata.h
index 0ab0be1c9fd604e2d0a02f9c10deb66d57ac7222..6ca80dd8efe6cd5d8e6004b0dd1fc17dc634e7ed 100644 (file)
--- a/libavcodec/qcelpdata.h
+++ b/libavcodec/qcelpdata.h
@@ -550,4 +550,13 @@ static const double qcelp_rnd_fir_coefs[11] = {
  */
 #define QCELP_LSP_OCTAVE_PREDICTOR 29.0/32
 
+/**
+ * initial coefficient to perform bandwidth expansion on LPC
+ *
+ * @note: 0.9883 looks like an approximation of 253/256.
+ *
+ * TIA/EIA/IS-733 2.4.3.3.6 6
+ */
+#define QCELP_BANDWIDTH_EXPANSION_COEFF 0.9883
+
 #endif /* AVCODEC_QCELPDATA_H */